package com.zxp.mall.cart.vo;

import org.springframework.util.CollectionUtils;

import java.math.BigDecimal;
import java.util.List;

public class Cart {

    private List<CartItem> items;

    private Integer countNum; // 商品数量

    private Integer countType; // 商品类型

    private BigDecimal totalAmount; // 商品总价

    private BigDecimal reduce = new BigDecimal("0"); // 减免的价格

    public List<CartItem> getItems() {
        return items;
    }

    public void setItems(List<CartItem> items) {
        this.items = items;
    }

    public Integer getCountNum() {
        int count = 0;
        if (!CollectionUtils.isEmpty(items)) {
            for (CartItem item : items) {
                count += item.getCount();
            }
        }
        return count;
    }


    public Integer getCountType() {
        return countType;
    }


    public BigDecimal getTotalAmount() {
        BigDecimal amount = new BigDecimal("0");
//        计算购物项总金额
        if (!CollectionUtils.isEmpty(items)) {
            for (CartItem item : items) {
                if (item.getCheck()) {
                    BigDecimal totalPrice = item.getTotalPrice();
                    amount = amount.add(totalPrice);
                }
            }
        }
//        减去优惠总价
        amount = amount.subtract(getReduce()
        );
        return amount;
    }

    public void setTotalAmount(BigDecimal totalAmount) {
        this.totalAmount = totalAmount;
    }

    public BigDecimal getReduce() {
        return reduce;
    }

    public void setReduce(BigDecimal reduce) {
        this.reduce = reduce;
    }
}
